(19)

(11)

EP 2 461 668 A1

(12)

(43) Date of publication: 13.06.2012 Bulletin 2012/24 (21) Application number: 10740769.4 (22) Date of filing: 04.08.2010

(51) International Patent Classification (IPC):  A01J 25/11(2006.01) A01J 25/12(2006.01) (86) International application number: PCT/NL2010/050495 (87) International publication number: WO 2011/016723 (10.02.2011 Gazette 2011/06)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 05.08.2009 NL 2003335 (71) Applicant: Tetra Laval Holdings & Finance S.A. 1009 Pully (CH)	(72) Inventor: SIPMA, Sijmen NL-8456 HW De Knipe (NL) (74) Representative: Tetra Pak - Patent Attorneys SE  AB Tetra Pak Patent Department Ruben Rausings gata 22186 Lund 22186 Lund (SE)